.page-home {
  --home-axis-w: 80px;
}

.page-home .home-shell {
  display: block;
}

.page-home .home-body {
  min-width: 0;
}

.page-home img {
  max-width: 100%;
  height: auto;
}

.page-home .home-section,
.page-home .breather {
  scroll-margin-top: 76px;
}

/* ── 左侧路径轴 ── */
.page-home .home-axis {
  display: none;
}

/* ── 首屏框景 ── */
.page-home .hero {
  position: relative;
  overflow: hidden;
  border: var(--edge);
  box-shadow: var(--shadow);
  background-color: var(--mist);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .15;
  pointer-events: none;
  filter: grayscale(1) contrast(1.08);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 9px;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, var(--grid) 0 1px, transparent 1px 18px),
    repeating-linear-gradient(to right, var(--grid) 0 1px, transparent 1px 18px),
    repeating-linear-gradient(to bottom, var(--grid) 0 1px, transparent 1px 18px),
    repeating-linear-gradient(to bottom, var(--grid) 0 1px, transparent 1px 18px);
  background-size: 100% 7px, 100% 7px, 7px 100%, 7px 100%;
  background-position: left top, left bottom, left top, right top;
  background-repeat: no-repeat;
  opacity: .8;
}

.page-home .hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 5vw, 54px);
}

.page-home .hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 6.2vw, 52px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-home .hero__lede {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.75;
  color: var(--ink);
}

.page-home .hero__meta {
  margin: 0;
  max-width: 48ch;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .hero-path {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-home .hero-path__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 15px;
  background: var(--card);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-xs);
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.3;
  transition: transform .16s var(--ease), box-shadow .16s var(--ease), background-color .16s var(--ease);
}

.page-home .hero-path__link:hover,
.page-home .hero-path__link:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--ink);
  background: var(--haze);
}

.page-home .hero-path__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--signal);
}

/* ── 呼吸区 ── */
.page-home .breather {
  margin-top: 18px;
  padding: clamp(42px, 10vw, 104px) clamp(20px, 5vw, 48px);
  border: 2px dashed var(--grid);
  background-color: var(--mist);
  background-image:
    repeating-radial-gradient(circle at 16% 26%, transparent 0 24px, rgba(47, 93, 80, .1) 24px 25px),
    repeating-radial-gradient(circle at 84% 74%, transparent 0 30px, rgba(47, 93, 80, .08) 30px 31px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.page-home .sync-fold {
  max-width: 56ch;
}

.page-home .sync-fold__summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  border: 2px solid var(--ink);
  background: var(--card);
  box-shadow: var(--shadow-xs);
}

.page-home .sync-fold__summary::-webkit-details-marker {
  display: none;
}

.page-home .sync-fold__summary::marker {
  content: "";
}

.page-home .sync-fold__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-home .sync-fold[open] .sync-fold__hint {
  color: var(--bamboo);
}

.page-home .sync-fold__body {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  text-align: left;
}

.page-home .sync-fold__body p {
  margin: 0;
}

/* ── 通用区块头 ── */
.page-home .home-section {
  margin-top: clamp(46px, 8vw, 84px);
}

.page-home .home-section__head {
  max-width: 46ch;
}

.page-home .home-section h2 {
  margin: 8px 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-home .home-section__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .filters {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .filter-empty {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ── 模块节点卡组 ── */
.page-home .node-grid {
  margin-top: 20px;
  display: grid;
  gap: 16px;
}

.page-home .node-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--card);
  border: var(--edge);
  box-shadow: var(--shadow-sm);
}

.page-home .node-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .node-card__idx {
  margin: 0;
}

.page-home .node-card .status-chip {
  font-size: 10px;
  letter-spacing: .02em;
}

.page-home .node-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-home .node-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-home .node-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .node-card__fig {
  margin: 0;
  border: 2px solid var(--ink);
  background: var(--cell);
  overflow: hidden;
}

.page-home .node-card__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .node-card__link {
  align-self: flex-start;
  margin-top: auto;
}

@media (hover: hover) and (pointer: fine) {
  .page-home .node-card__meta {
    opacity: .5;
    transition: opacity .2s var(--ease);
  }

  .page-home .node-card:hover .node-card__meta,
  .page-home .node-card:focus-within .node-card__meta {
    opacity: 1;
  }
}

/* ── 维护纪要 ── */
.page-home .log-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-home .log-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--grid);
}

.page-home .log-item__no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--signal);
}

.page-home .log-item__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
}

.page-home .log-item__body {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

/* ── 设备分流 ── */
.page-home .device-grid {
  margin-top: 22px;
  display: grid;
  gap: 16px;
}

.page-home .device-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--card);
  border: var(--edge);
  box-shadow: var(--shadow-sm);
}

.page-home .device-card--mobile {
  border-left-width: 10px;
  border-left-color: var(--signal);
}

.page-home .device-card--desktop {
  border-left-width: 10px;
  border-left-color: var(--bamboo);
}

.page-home .device-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}

.page-home .device-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-home .device-card__fig {
  margin: 0;
  border: 2px solid var(--ink);
  background: var(--cell);
  overflow: hidden;
}

.page-home .device-card__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .device-fold summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--bamboo);
}

.page-home .device-fold ul {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
}

.page-home .device-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .device-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .device-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 2px;
  background: var(--data);
}

.page-home .device-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ── 同步状态说明 ── */
.page-home .sync-grid {
  margin-top: 22px;
  display: grid;
  gap: 16px;
}

.page-home .sync-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  border: 2px solid var(--ink);
  background: var(--mist);
}

.page-home .sync-item:nth-child(2) {
  background: var(--cell);
}

.page-home .sync-item h3 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--bamboo);
}

.page-home .sync-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

.page-home .sync-tail {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .sync-tail a {
  color: var(--bamboo);
  text-decoration: underline;
  text-decoration-color: var(--data);
  text-underline-offset: 3px;
}

/* ── 底部横幅 ── */
.page-home .home-banner {
  margin: clamp(46px, 8vw, 84px) 0 0;
  border: var(--edge);
  box-shadow: var(--shadow);
  overflow: hidden;
  background: var(--mist);
}

.page-home .home-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .home-banner__cap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px clamp(18px, 3vw, 28px);
  background: var(--ink);
  color: var(--mist);
}

.page-home .home-banner__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--signal);
}

.page-home .home-banner__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
}

.page-home .home-banner__text a {
  color: var(--mist);
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-underline-offset: 3px;
}

/* ── 平板与桌面 ── */
@media (min-width: 720px) {
  .page-home .hero-path {
    position: relative;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 14px;
    padding-top: 30px;
  }

  .page-home .hero-path::before {
    content: "";
    position: absolute;
    top: 9px;
    left: 6%;
    right: 6%;
    height: 2px;
    background: var(--signal);
    opacity: .8;
  }

  .page-home .hero-path__item {
    position: relative;
  }

  .page-home .hero-path__item::before {
    content: "";
    position: absolute;
    top: -27px;
    left: 50%;
    width: 14px;
    height: 14px;
    transform: translateX(-50%);
    box-sizing: border-box;
    border: 2px solid var(--ink);
    border-radius: 50%;
    background: var(--signal);
  }

  .page-home .log-item {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 0;
  }

  .page-home .node-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
  }

  .page-home .node-card--a {
    grid-column: span 4;
  }

  .page-home .node-card--b {
    grid-column: span 2;
  }

  .page-home .node-card--c {
    grid-column: span 2;
  }

  .page-home .node-card--d {
    grid-column: span 4;
  }
}

@media (min-width: 780px) {
  .page-home .device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .sync-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-home .home-shell {
    display: grid;
    grid-template-columns: var(--home-axis-w) minmax(0, 1fr);
    column-gap: 28px;
    align-items: start;
  }

  .page-home .home-axis {
    display: block;
    position: sticky;
    top: 28px;
    align-self: start;
    padding-top: 6px;
  }

  .page-home .home-axis__list {
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .page-home .home-axis__list::before {
    content: "";
    position: absolute;
    left: 6px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--cell);
  }

  .page-home .home-axis__node {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    color: var(--muted);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 10px;
    line-height: 1;
    letter-spacing: .04em;
    transition: color .2s var(--ease);
  }

  .page-home .home-axis__node::before {
    content: "";
    position: relative;
    z-index: 1;
    flex: none;
    width: 14px;
    height: 14px;
    box-sizing: border-box;
    border: 2px solid var(--bamboo);
    border-radius: 50%;
    background: var(--mist);
    transition: background-color .2s var(--ease), border-color .2s var(--ease);
  }

  .page-home .home-axis__node:hover,
  .page-home .home-axis__node:focus-visible {
    color: var(--ink);
  }

  .page-home .home-axis__node:hover::before,
  .page-home .home-axis__node:focus-visible::before {
    border-color: var(--signal);
  }

  .page-home .home-axis__node--on {
    color: var(--ink);
  }

  .page-home .home-axis__node--on::before {
    background: var(--signal);
    border-color: var(--signal);
  }

  .page-home .home-axis__txt {
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-path__link,
  .page-home .home-axis__node,
  .page-home .home-axis__node::before,
  .page-home .node-card__meta {
    transition: none;
  }

  .page-home .hero-path__link:hover,
  .page-home .hero-path__link:focus-visible {
    transform: none;
    box-shadow: var(--shadow-xs);
  }
}